MongoDB\Driver\TopologyDescription::hasReadableServer

(mongodb >=1.13.0)

MongoDB\Driver\TopologyDescription::hasReadableServerReturns whether the topology has a readable server

説明

final public MongoDB\Driver\TopologyDescription::hasReadableServer(?MongoDB\Driver\ReadPreference $readPreference = null): bool

Returns whether the topology has a readable server or, if readPreference is specified, a server matching the specified read preference.

パラメータ

この関数にはパラメータはありません。

戻り値

Returns whether the topology has a readable server or, if readPreference is specified, a server matching the specified read preference.

エラー / 例外

関連キーワード:  server, Returns, whether, topology, readable, Driver, TopologyDescription, the, specified, hasReadableServer